<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>this绑定规则实验</title>
</head>
<body>
    <script>
       
        function foo(){
            "use strict";
            // console.log("foo:",this);
            console.log("foo(strict)",this);
        }
        foo();

        var obj={
            name:"gkd",
            bar:function(){
                console.log("bar:",this);
            }
        };

        var baz=obj.bar;
        baz();

        function test(fn){
            fn();
        }
        test(obj.bar);
    </script>
</body>
</html>